You just found out that, because of a rare painless disease
that affects one person every millennium, you have exactly 72 hours, starting now, to live.
The ruler of you country gives you an unlimited budget to spend in your last hours and gives you access to meet and associate any celebrity on the planet.
Go see my friends and go shopping. Try to finish a bunch of books I have started reading and happily pass away. Hopefully I'll be reincarnated in some fantasy light novel/manga like Solo Leveling reply